If you provide all of the required needs covered above, your population will grow at 2% per cycle.

Taxation

Spoiler:

Taxation is the way you make money. You choose a worker focus to decide how much each of your kerbs makes per cycle, but also gives you bonuses or penalties in certain areas. The worker focuses are below -

Multiplying the tax rate and the salary per worker will give you how much money you tax off of each worker. Multiplying this by your adult population will give you how much money you're making per cycle from taxes.